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BEIJING ETECHWIN ELECTRIC CO LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    66,112
  • Filing trend
    ⇩ 36.0%
About

BEIJING ETECHWIN ELECTRIC CO LTD has a total of 30 patent applications. It decreased the IP activity by 36.0%. Its first patent ever was published in 2012. It filed its patents most often in WIPO (World Intellectual Property Organization), China and Australia. Its main competitors in its focus markets environmental technology, engines, pumps and turbines and electrical machinery and energy are INVENTUS HOLDINGS LLC, MOOG UNNA GMBH and REPOWER SYSTEMS AG.

Patent filings per year

Chart showing BEIJING ETECHWIN ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Bing 5
#2 Li Qingjiang 5
#3 Ma Lei 5
#4 Liu Shijun 5
#5 Chen Yong 5
#6 Zhao Shuaiyang 4
#7 Lan Yunhai 4
#8 Qin Chengzhi 4
#9 Yang Zhiqian 4
#10 Gao Rui 4

Latest patents

Publication Filing date Title
WO2021056896A1 Direct current microgrid branch linkage control system and method
CN103296689A Method for compensation and handling of asymmetric sag of power grid based on negative-sequence current
CN103312189A Three-level converter for direct-drive wind power generator set
CN103225586A Galloping preventing safety control method for wind generating set
CN103107757A Method of utilizing full power converter to heat wind driven generator
CN102561456A Device for collecting water from air based on wind energy